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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

The role of NCOA4-mediated ferritinophagy in iron overload

Dorman, Matthew J. 31 January 2023 (has links)
Iron homeostasis is a vital process that balances access to free iron to fuel physiological processes with iron storage to reduce the deleterious aspects of excess free iron. Dysfunctional iron homeostasis can lead to iron overload, in which excess free iron can promote cellular injury, ferroptosis, and eventual organ damage as a result. The cellular consequences of long-term iron overload including the cellular pathways that lead to pathological changes or those that may provide protection against damage are incompletely defined. Here, we use dietary and genetically engineered mouse models of iron overload combined with mass spectrometry-based quantitative proteomics to determine the iron overload liver proteome. We identify and quantify over 8,000 proteins representing the most in-depth iron overload proteome evaluation to date. Using bioinformatics, we identify conserved upregulated pathways including ‘response to oxidative stress’ and downregulated pathways including ‘steroid homeostasis.’ Furthermore, we identify an unexpected role for NCOA4, an autophagy adaptor that targets ferritin for autophagic degradation during iron deprivation, during iron overload. This work highlights the importance of further investigation into NCOA4 and its role in diseases of iron overload. / 2025-01-30T00:00:00Z
2

Iron-induced NCOA4 condensation regulates ferritin fate and iron homeostasis / 鉄誘導性NCOA4凝集はフェリチン運命と鉄恒常性を制御する

Kuno, Sota 25 July 2022 (has links)
京都大学 / 新制・課程博士 / 博士(医学) / 甲第24134号 / 医博第4874号 / 新制||医||1060(附属図書館) / 京都大学大学院医学研究科医学専攻 / (主査)教授 竹内 理, 教授 中川 一路, 教授 髙折 晃史 / 学位規則第4条第1項該当 / Doctor of Medical Science / Kyoto University / DFAM

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